4021111424 has 64 divisors (see below), whose sum is σ = 8753827680. Its totient is φ = 1824691200.

The previous prime is 4021111421. The next prime is 4021111453. The reversal of 4021111424 is 4241111204.

4021111424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 4021111396 and 4021111405.

It is not an unprimeable number, because it can be changed into a prime (4021111421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970862 + ... + 974994.

Almost surely, 2^4021111424 is an apocalyptic number.

4021111424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021111424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4376913840).

4021111424 is an abundant number, since it is smaller than the sum of its proper divisors (4732716256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021111424 is a wasteful number, since it uses less digits than its factorization.

4021111424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4021111424 is about 63412.2340246738. The cubic root of 4021111424 is about 1590.1888445716.

Adding to 4021111424 its reverse (4241111204), we get a palindrome (8262222628).

The spelling of 4021111424 in words is "four billion, twenty-one million, one hundred eleven thousand, four hundred twenty-four".